Descriptive statistics Pearson’s correlation Collect your data Descriptive statistics Graphs What is the data? Continuous or count? Chi-squared test Count Type of question Probability, relationship or differences Continuous Z-scores Prob Parametric or non-parametric Relationship How many groups of data Differences Regression and Pearson’s correlation Params Spearman’s Rank Correlation Non-params Is the data paired? =2 ANOVA > 2 Is the data normal? No Is the data normal? Yes T-test Yes Mann-Whitney-U No Paired T-test Yes Wilcoxon Paired No